IS 12805: Tool Mcleod for fighting forest fires

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IS 12805 (1989) : Tool Mcleod for fighting forest fires [CED
22: Fire Fighting]

Jawaharlal Nehru
'Step Out From the Old to the New'

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Satyanarayan Gangaram Pitroda
Invent a New India Using Knowledge

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PROTECTED BY COPYRIGHT

IS 12805 : 1989

( Reaffirmed 2000 )

Indian Standard

TOOL MCLEOD FOR FIGHTING FOREST
FIRES - SPECIFICATION

( First Reprint SEPTEMBER 1998 *
UDC 634*0 36:614*84

© BIS 1990

BUREAU OF INDIAN STANDARDS

MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG
NEW DELHI 110002

May 1990 Price Group 1

Fife Fighting Sectional Committee, CED 22

FOREWORD

This Indian Standard was adopted by the Bureau of Indian Standards on 13 October 1989, after the
draft finalized by the Fire Fighting Sectional Committee had been approved by the Civil Engineering
Division Council.

Modern forest fire techniques in suppression of fires are being introduced in this country. Some of the
important equipments which are required are relating to hand tools, water handing equipment, etc.
On the request of Ministry of Environment and Forest, Indian Standards covering specification for
some of the important tools are being formulated so that on the basis of the same, these could be
indigenously manufactured in this country and also users could procure these tools of proper specifica-
tion. This standard Covers the specification for tool Mcleod which is used for the construction of fire
Hoe in deep puff, pine needled light bush and grass.

For the purpose of deciding whether a particular requirement of this standard is complied with, the
final value, observed or calculated, expressing the result of a test or analysis, shall be rounded off in
accordance with IS 2:1960 'Rules for rounding off numerical values ( revised )\ The number of
significant places retained in the rounded off value should be the same as that of the specified value in
this standard.

IS 12805 : 1989

Indian Standard

TOOL MCLEOD FOR FIGHTING FOREST
FIRES - SPECIFICATION

1 SCOPE

1.1 This standard covers the requirements for tool
Mcleod which is used for construction of fire line
in deep puff, pine needled light bush and grass for
fighting forest fires.

2 REFERENCE

The Indian Standard IS 620 : 1985 'General
requirements for wooden tool handles {fourth
revision )* is a necessary adjunct to this standard.

3 MATERIALS

3.1 The blade shall be made from steel containing
0'83 to 104 percent carbon, 0*30 to 0*50 percent
manganese, not more than 0'40 percent phos-
phorus and not more than 0*05 percent sulphur.

The blade should be hardened to a value of not
less than 38 and not more than 48 on the Rock-
well C scale,

3.2 The handle shall conform to the requirements
given in IS 620 : 1985.

4 DIMENSIONS AND TOLERANCES

4.1 The dimensions and tolerances of blade and
handle are given in Fig. 1.

5 WORKMANSHIP

5.1 The cutting edge shall be ground to a finish
having an average roughness of not more than
0'4 micrometre. The ferrule and ferrule plate
shall be painted or enamelled* The cutting edge
shall be coated with light oil.

FERRUlE PLATE 1 FERRUtE

All dimensions in millimetres.

Fig. 1 The Tool Mcleod for Forbst Firb

IS 12805 : 1989

6 MARKING

6.1 The tool shall be marked with the nominal
mass and manufacturer's initials and the recog-
nized trade-mark.

7 SAMPLING AND CRITERIA FOR
CONFORMITY

7.1 Sampling

7.1.1 Lot

The tool of the same type produced by the same
manufacturer shall be grouped together to consti-
tute a lot.

7.1.2 Each lot shall be considered individually for
the purpose of evaluation of quality in- accordance

with the specification.

7.1.2.1 The number of sample for testing to be
taken at random from a lot and the criteria for
conformity shall be as given in 7.1.2.2 and 7.1.2.3.

7.1.2.2 From each lot, a number of samples as
indicated in coJ 2 of Table 1 shall be selected

at random. They shall be examined visually as far
as possible in respect of requirement specified in
3, 5 and 6. All the samples tested shall pass these
requirements for the lot to be declared to conform
to these requirements.

7.1.23 In the absence of a certificate from manu-
facturer about the conformity of the specification
for the material ( see 4.1 ) one item each shall be
taken from each consignment separately and
examined individually in respect of the relevant
requirement of the specification.

Table 1 Sampling for Lots Produced Under
Quality Control System

(Clause 7 A 2.2)

No. of Items
In the Lot

Sample Size

(I)

(2)

Up to 25
36 to 50
51 to IO0

3
5

6

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Enquiries relating to copyright be addressed to the Director (Publications), BIS.

Review of Indian Standards

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reviewed periodically; a standard along with amendments is reaffirmed when such review indicates that
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of Indian Standards should ascertain that they are in possession of the latest amendments or edition by
referring to the latest issue of *BIS Handbook* and 'Standards: Monthly Additions'.

Doc : No, CED 22 ( 4591 )

Amendments Issued Since Publication

Amend No.

Date of Issue

Text Affected

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